210211012212 has 12 divisors (see below), whose sum is σ = 490492361856. Its totient is φ = 70070337400.

The previous prime is 210211012201. The next prime is 210211012247. The reversal of 210211012212 is 212210112012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×210211012212² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210211012191 and 210211012200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758792164 + ... + 8758792187.

It is an arithmetic number, because the mean of its divisors is an integer number (40874363488).

Almost surely, 2^210211012212 is an apocalyptic number.

It is an amenable number.

210211012212 is an abundant number, since it is smaller than the sum of its proper divisors (280281349644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210211012212 is a wasteful number, since it uses less digits than its factorization.

210211012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517584358 (or 17517584356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210211012212 its reverse (212210112012), we get a palindrome (422421124224).

The spelling of 210211012212 in words is "two hundred ten billion, two hundred eleven million, twelve thousand, two hundred twelve".